Jimmy Fallon and Kevin Bacon uncover the original lyrics to 'Free Fallin' by Tom Petty.

On the August 29 episode of The Tonight Show, Jimmy Fallon enlisted Kevin Bacon to help him sing the uncovered "first draft" of "Free Fallin" by Tom Petty. As it turns out, before it was "Free Fallin," it was "Free Horses," a romantic ode to a charming all-American girl, whose love for all things equestrian is anything but pedestrian.

This isn't the first time the Fallon-Bacon duo uncovered famous first drafts. Last summer, the two unveiled that the real "Fun Fun Fun" was "Buns Buns Buns" and the burgers at the hamburger stand.

Since you're wondering, Jimmy Fallon technically still only has a Bacon number of 2, because only movie appearances count: